diff options
| author | Suman Tripathi <stripathi@apm.com> | 2014-07-29 12:24:51 +0530 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-07-29 10:25:58 -0400 |
| commit | 0185b1b787962db38fdf74e1cab9b7a2619490a1 (patch) | |
| tree | acbb498fadfa1aaa635aa87a7f14303591f8c6f6 | |
| parent | aeae4dcac5a91de9546c42a3be09c96479bfc3ff (diff) | |
| download | linux-0185b1b787962db38fdf74e1cab9b7a2619490a1.tar.bz2 | |
ahci_xgene: Use correct OOB tunning parameters for APM X-Gene SoC AHCI SATA Host controller driver.
APM X-Gene SoC AHCI SATA Host controller driver requires
some correction of Phy Control OOB timing for the
COMINIT/COMWAKE parameters to correctly interoperate with
different kinds of disks.
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | drivers/ata/ahci_xgene.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c index 3db8eaae1576..997b4178249a 100644 --- a/drivers/ata/ahci_xgene.c +++ b/drivers/ata/ahci_xgene.c @@ -163,11 +163,11 @@ static void xgene_ahci_set_phy_cfg(struct xgene_ahci_context *ctx, int channel) /* Disable fix rate */ writel(0x0001fffe, mmio + PORTPHY1CFG); readl(mmio + PORTPHY1CFG); /* Force a barrier */ - writel(0x5018461c, mmio + PORTPHY2CFG); + writel(0x28183219, mmio + PORTPHY2CFG); readl(mmio + PORTPHY2CFG); /* Force a barrier */ - writel(0x1c081907, mmio + PORTPHY3CFG); + writel(0x13081008, mmio + PORTPHY3CFG); readl(mmio + PORTPHY3CFG); /* Force a barrier */ - writel(0x1c080815, mmio + PORTPHY4CFG); + writel(0x00480815, mmio + PORTPHY4CFG); readl(mmio + PORTPHY4CFG); /* Force a barrier */ /* Set window negotiation */ val = readl(mmio + PORTPHY5CFG); |